feat/#63 - add iterator instead of RabbitMQ callback

amqp/rabbitmq/rabbit_mq_client.py

@@ -1,4 +1,5 @@
 import logging
+from typing import Optional
 
 import aio_pika
 from aio_pika.abc import AbstractRobustExchange, AbstractRobustQueue
@@ -95,19 +96,25 @@ class RabbitMQClient:
                         route.queue if route.queue else self.router.get_consume_queue_name()
                     )
                     logging_info("RabbitMQClient register route: [%s]", route)
-                    queue: AbstractRobustQueue = await self.channel.declare_queue(
-                        name=queue_name,
-                        durable=True,
-                        exclusive=False,
-                        auto_delete=False,
-                        arguments=queue_args,
-                    )
+                    if self.amq_configuration.amq_adapter.callbacks_enabled:
+                        queue: Optional[AbstractRobustQueue] = await self.channel.declare_queue(
+                            name=queue_name,
+                            durable=True,
+                            exclusive=False,
+                            auto_delete=False,
+                            arguments=queue_args,
+                        )
+                    else:
+                        queue = None
                     _exchange_name: str = route.exchange if route.exchange else AMQ_RPC_EXCHANGE
                     exchange: AbstractRobustExchange = await self.channel.declare_exchange(
                         name=_exchange_name, type=ExchangeType.topic
                     )
-                    await queue.bind(exchange, route.key)
-                    _c_tag = await queue.consume(callback, no_ack=False)
+                    if self.amq_configuration.amq_adapter.callbacks_enabled:
+                        await queue.bind(exchange, route.key)
+                        _c_tag = await queue.consume(callback, no_ack=False)
+                    else:
+                        _c_tag = None
                     # Register the route with the router and publish its detail to other adapters
                     await self.router.register_route(
                         AMQRoute(
@@ -144,6 +151,9 @@ class RabbitMQClient:
         Set up the RabbitMQ connection
         :return: nothing, it applies changes to instance variables
         """
+        logging.info(
+            f"RabbitMQClient.setupAMQ, connecting to RabbitMQ at {self.amq_configuration.dispatch.amq_host}:{self.amq_configuration.dispatch.amq_port}, loop={loop}"
+        )
         self.connection = await aio_pika.connect_robust(
             host=self.amq_configuration.dispatch.amq_host,
             port=self.amq_configuration.dispatch.amq_port,